[Building Sakai] Error on pres.end event

[Robert Long]

All,

Sorry for another error issue...

We are seeing an error in catalina.out every time a user is removed from the
³Users Present² area in a site. We are using 2.7.0, Tomcat 5.5.29, and Java
1.6.0_20.

Here¹s an example:

---Begin error---

2010-07-16 09:41:49,647  WARN SakaiPresenceService.Maintenance
org.sakaiproject.event.impl.ClusterEventTracking - postEvent,
notifyObservers(), event: 0:pres.end@/presence/~admin-presence[m, 2]
java.lang.NoClassDefFoundError: org/sakaiproject/util/DirectRefreshDelivery
    at 
org.sakaiproject.util.PresenceObservingCourier.update(PresenceObservingCouri
er.java:128)
    at java.util.Observable.notifyObservers(Observable.java:142)
    at 
org.sakaiproject.event.impl.BaseEventTrackingService.notifyObservers(BaseEve
ntTrackingService.java:119)
    at 
org.sakaiproject.event.impl.ClusterEventTracking.postEvent(ClusterEventTrack
ing.java:252)
    at 
org.sakaiproject.event.impl.BaseEventTrackingService.post(BaseEventTrackingS
ervice.java:294)
    at 
org.sakaiproject.presence.impl.BasePresenceService$Presence.valueUnbound(Bas
ePresenceService.java:685)
    at 
org.sakaiproject.tool.impl.MyLittleSession.unBind(MyLittleSession.java:333)
    at 
org.sakaiproject.tool.impl.MyLittleSession.removeAttribute(MyLittleSession.j
ava:256)
    at 
org.sakaiproject.presence.impl.BasePresenceService.checkAllPresenceForExpira
tion(BasePresenceService.java:553)
    at 
org.sakaiproject.presence.impl.BasePresenceService$Maintenance.run(BasePrese
nceService.java:778)
    at java.lang.Thread.run(Thread.java:619)

---End Error---

Any help would be much appreciated.

--Bob

----
Robert E. Long, MA
Saginaw Valley State University
Open Source Programmer / Analyst
Math / Education Technology Instructor
M.A. Instructional Technology
O: 989.964.2245




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